WO2013175716A1 - 鉄道車両の台車枠 - Google Patents

鉄道車両の台車枠 Download PDF

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Publication number
WO2013175716A1
WO2013175716A1 PCT/JP2013/002880 JP2013002880W WO2013175716A1 WO 2013175716 A1 WO2013175716 A1 WO 2013175716A1 JP 2013002880 W JP2013002880 W JP 2013002880W WO 2013175716 A1 WO2013175716 A1 WO 2013175716A1
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WO
WIPO (PCT)
Prior art keywords
plate member
bottom plate
bogie frame
top plate
welded
Prior art date
Application number
PCT/JP2013/002880
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
吉則 萩尾
雅典 澤田
智史 徳永
一彦 二川
Original Assignee
新日鐵住金株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新日鐵住金株式会社 filed Critical 新日鐵住金株式会社
Priority to CA2873600A priority Critical patent/CA2873600C/en
Priority to ES13794469.0T priority patent/ES2659224T3/es
Priority to IN10294DEN2014 priority patent/IN2014DN10294A/en
Priority to US14/400,845 priority patent/US9469313B2/en
Priority to AU2013264379A priority patent/AU2013264379B2/en
Priority to KR1020147035753A priority patent/KR20150013864A/ko
Priority to CN201380026817.XA priority patent/CN104334435B/zh
Priority to EP13794469.0A priority patent/EP2853464B1/en
Publication of WO2013175716A1 publication Critical patent/WO2013175716A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies

Definitions

  • the present invention relates to a bogie frame of a railway vehicle.
  • a railway vehicle has a main motor and a gear device mounted on a bogie frame, and the power of the main motor is transmitted to the wheel shaft via the gear device and travels on the rail.
  • FIG. 1 is a plan view showing a conventional bogie frame.
  • FIG. 2 is an enlarged plan view showing a portion of a seat in the side of a conventional bogie frame.
  • the bogie frame 101 includes a pair of side beams 102 arranged on the left and right along the rail direction, and a side beam 103 that connects these side beams 102.
  • the lateral beam 103 is formed of a cylindrical steel pipe, and both ends thereof are joined to the side beam 102 by welding.
  • a seat for attaching the main motor (hereinafter, also referred to as “main motor seat”) 104 is joined to the lateral beam 103 by welding, and a seat for attaching the gear device ( Hereinafter, the gear 105 is also joined by welding (see, for example, Patent Documents 1 and 2).
  • the main motor seat 104, the gear unit seat 105, and the cross beam 103 are originally separate members that are completely independent.
  • the main motor seat 104 receives a high load such as a reaction force of the power and the weight of the main motor from the main motor while the railway vehicle is traveling, so that a rib structure is frequently used.
  • the welding part with a short weld line increases.
  • the welded portion tends to have poor weld quality at the welding start point and end point, and in the case of a short weld line, this tendency is likely to manifest.
  • stress concentration is likely to occur at the welded portion between each of the seats 104 and 105 and the side beam 103 due to a high load received by each of the seats 104 and 105 during travel of the railway vehicle.
  • the corners of the upper and lower hems of the seats 104 and 105 joined to the cross beam 103 (the portion surrounded by a thick circle in FIG. 2)
  • the bogie frame is required to be excellent in welding workability because welding occupies most of the construction when assembling.
  • the conventional bogie frame 101 as described above, when the main motor seat 104 and the gear device seat 105 are welded to the cross beam 103, there are many welds with short weld lines, and the corner toe Therefore, the deterioration of the quality of the welded portion tends to become obvious, and the efficiency of the welding work is low. Therefore, the conventional bogie frame 101 has poor weldability when assembling.
  • the present invention has been made in view of the above-described problems, and an object thereof is to provide a bogie frame for a railway vehicle capable of realizing excellent welding workability during assembly.
  • the present inventors improve the efficiency of welding work while ensuring the quality of the welded portion when welding the main motor seat and the gear device seat to the side.
  • the inventors made extensive studies.
  • the horizontal beam has a four-sided plate-matching structure, and the top plate member and the bottom plate member among the plate members constituting each of the four surfaces are integrally formed with the main plate seat and the gear device seat. It has been found that it is effective to form a seat support portion corresponding to the upper surface portion and the lower surface portion of the steel plate and weld the joint to the seat support portion.
  • the present invention has been completed based on such knowledge, and the gist thereof is in the bogie frame of the following railway vehicle. That is, a bogie frame of a railway vehicle having a pair of side beams arranged along the rail direction and a side beam connecting these side beams, the top beam member and the bottom plate member And a pair of side plate members arranged before and after being welded and joined between the top plate member and the bottom plate member, corresponding to the positions where the seats for attaching the main motor and the gear device are arranged.
  • a receiving frame supporting portion extends from the front and rear edges of the top plate member and the bottom plate member, and the receiving frame is welded and joined to the receiving seat support portion.
  • the bogie frame has a hem shape in which the contour shape from the left and right edges of the seat support portion to the front and rear edges of the top plate member and the bottom plate member is bent at three or more locations.
  • the side flash is disposed by welding and disposed between the side flash top plate member, the side flash bottom plate member, and the side flash top plate member and the side flash bottom plate member. It is composed of a pair of side plates for side flashes on the left and right, and the connecting portions extend from the left and right edges of the top plate member for side flashes and the bottom plate member for side flashes, corresponding to the position where the horizontal flashes are arranged. It is preferable that the left and right end portions of the horizontal beam are sandwiched between the connecting portions and welded.
  • the bogie frame of the railway vehicle of the present invention when the main motor seat and the gear device seat are welded to the side beams, the welded portion with a short weld line is reduced and the corner stop that requires maintenance is required. The edge can be reduced. As a result, it is possible to improve the efficiency of welding work while ensuring the quality of the welded portion, and to realize excellent welding workability during assembly.
  • FIG. 1 is a plan view showing a conventional bogie frame.
  • FIG. 2 is an enlarged plan view showing a portion of a seat in the side of a conventional bogie frame.
  • FIG. 3 is a perspective view showing an example of the bogie frame of the present invention.
  • FIG. 3 (a) shows a state seen from diagonally above, and
  • FIG. 3 (b) shows a state seen from diagonally below.
  • FIG. 4 is a plan view of the bogie frame shown in FIG.
  • FIG. 5 is an enlarged cross-sectional view of a portion of the seat support portion as an example of a device for improving the safety factor by the seat support portion in the horizontal frame of the carriage frame of the present invention.
  • FIG. 6 is an enlarged cross-sectional view showing a portion of the seat support portion as another example of the device for improving the safety factor by the seat support portion in the horizontal position of the bogie frame of the present invention.
  • FIG. 3 is a perspective view showing an example of the bogie frame of the present invention.
  • FIG. 3 (a) shows a state seen from diagonally above
  • FIG. 3 (b) shows a state seen from diagonally below.
  • FIG. 4 is a plan view of the bogie frame shown in FIG. In FIG. 4, the part which cut
  • the bogie frame 1 includes a pair of side beams 2 arranged on the left and right along the rail direction, and a side beam 3 that connects these side beams 2.
  • the lateral beam 3 has a four-sided plate matching structure
  • the side beam 2 has a four-sided plate matching structure as well.
  • the horizontal beam 3 includes a top plate member (hereinafter also referred to as “top plate member for horizontal beam”) 31, a bottom plate member (hereinafter also referred to as “bottom plate member for horizontal beam”) 32, It comprises a pair of side plate members (hereinafter also referred to as “side plate members for horizontal use”) 33.
  • These plate members 31 to 33 are formed by press-forming steel plates and bending them as necessary.
  • the side beam side plate member 33 is disposed between the side beam top plate member 31 and the side beam bottom plate member 32, and the upper edge of the side beam side plate member 33 is abutted against the lower surface of the side beam top plate member 31.
  • the lower edge of the side beam side plate member 33 is abutted against and welded to the upper surface of the side plate member 32 for horizontal beam, whereby the side beam 3 is assembled.
  • a rib-structured main motor seat 4 and gear device seat 5 are joined to the horizontal beam 3 by welding.
  • the pair of side beams 2 on the left and right are respectively composed of a top plate member 21 for side flash, a bottom plate member 22 for side flash, and a side plate member 23 for side flash on the left and right.
  • These plate members 21 to 23 are also formed by press-forming steel plates and bending them as necessary.
  • the side flash side plate member 23 is disposed between the side flash top plate member 21 and the side flash bottom plate member 22, and the upper edge of the side flash side plate member 23 is abutted against the lower surface of the side flash top plate member 21. While being welded, the lower edge of the side flash side plate member 23 is abutted against the upper surface of the side flash bottom plate member 22 and welded, whereby the side flash 2 is assembled.
  • spring cap members 6 are welded to the front and rear ends of the side beam 2.
  • the spring cap member 6 is used to attach a shaft box (not shown) that rotatably supports the wheel shaft.
  • the side beam 3 is connected to the side beam 2 by welding the side beam 2 to the left and right ends thereof.
  • the portion connecting the side beam 3 and the side beam 2 is configured as follows.
  • the connecting portion 24 extends from the left and right edges of the side flash top plate member 21 and the side flash bottom plate member 22 corresponding to the position where the horizontal flash 3 is disposed.
  • These connecting portions 24 are formed in advance integrally with the respective side flash top plate member 21 and side flash bottom plate member 22.
  • the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32 are formed shorter than the horizontal beam side plate member 33, and the left and right end portions of the horizontal beam side plate member 33 are the horizontal beam ceiling plate.
  • the plate member 31 and the bottom plate member 32 for horizontal projection protrude from the plate member 31.
  • the end portions of the side beam side plate member 33 are sandwiched between the connecting portions 24 of the side beams 2, and the end edges thereof are butted against the side beam side plate member 23 and welded.
  • the upper edge is abutted against the lower surface of the horizontal roof top plate member 31 and the lower edge thereof is abutted against the upper surface of the horizontal beam bottom plate member 32 to be welded.
  • the end edges of the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32 are abutted on the same surface with the edge of the connecting portion 24 of the side beam 2 and welded. In this way, the side beam 3 is connected to the side beam 2.
  • the bogie frame 1 of the present invention has a structure in which the horizontal beam 3 is formed into a four-sided plate-matching structure as described above, and the main motor seat 4 and the gear device seat 5 are welded to the horizontal beam 3.
  • the side plate top plate member 31 and the side plate bottom plate member 32 correspond to the positions where the main motor receiving seats 4 are arranged, from the respective front and rear edges to the receiving support portions (hereinafter referred to as “main motor receiving units”).
  • 34 also referred to as “seat support portion” extends.
  • These seat support portions 34 correspond to the upper surface portion and the lower surface portion of the main motor seat 4, and are previously formed integrally with the horizontal roof top plate member 31 and the horizontal beam bottom plate member 32, respectively. .
  • the horizontal plate top plate member 31 and the horizontal plate bottom plate member 32 correspond to the positions where the gear device receiving seats 5 are arranged, from the respective front and rear edges thereof to the seat support portions (hereinafter referred to as “gear devices”). 35 "is also extended. These seat support portions 35 correspond to the upper surface portion and the lower surface portion of the gear device seat 5, and are formed in advance integrally with the respective horizontal beam top plate member 31 and horizontal beam bottom plate member 32. .
  • the main motor seat 4 and the gear unit seat 5 having a rib structure are joined to the seat support portions 34 and 35 and further to the lateral plate member 33 by welding.
  • the receiving plate support portions 34 and 35 corresponding to the upper surface portion and the lower surface portion of the receiving seats 4 and 5 are integrated with the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32, that is, the horizontal beam 3.
  • the corners of the welded portions of the receiving seats 104 and 105 and the cross beam 103 like the conventional carriage frame 101 are formed. Since the toe (see FIG. 2) does not exist, the maintenance man-hour can be reduced.
  • the rib-shaped seats 4 and 5 are welded and joined to the four-side structure lateral beam 3 instead of the steel beam lateral beam 103 as in the conventional bogie frame 101, a welded portion having a short weld line is provided. Is less.
  • the bogie frame 1 according to the present invention can reduce the welded portion having a short weld line when welding the receiving seats 4 and 5 to the side beam 3 and reduce the corner toe that needs to be maintained. it can. As a result, it is possible to improve the efficiency of welding work while ensuring the quality of the welded portion, and to realize excellent welding workability during assembly.
  • each of the seats 4 and 5 receives a high load during traveling of the railway vehicle, stress is applied to the bases of the seat support portions 34 and 35 extending from the side beam top plate member 31 and the side beam bottom plate member 32. Concentration is likely to occur. In particular, stress is concentrated at the corners where the left and right edges of the seat support portions 34 and 35 intersect with the front and rear edges of the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32.
  • the welding beads for joining the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32 and the horizontal beam side plate member 33 overlap or are close to the corner portion where the stress is concentrated, Since the fatigue limit stress of the part decreases, the safety factor may decrease. For this reason, it is desirable to devise measures to improve the safety factor by the seat support portions 34 and 35. Below, the device is illustrated.
  • FIG. 5 is a cross-sectional view showing an enlarged portion of the seat support portion as an example of a device for improving the safety factor with the seat support portion in the side of the bogie frame of the present invention.
  • a weld bead that joins these plate members 31, 32 and the side plate member 33 for horizontal beams from front and rear edges 31 a, 32 a of the horizontal plate top plate member 31 and the horizontal plate bottom plate member 32.
  • the distance to the boundary of Wg is set to L, and the front and rear edges of the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32 are projected from the boundary of the weld bead Wg.
  • the distance L is made long, the above-mentioned corner portions where the stress is concentrated, that is, the left and right edges 34a, 35a of the seat support portions 34, 35, the top plate member 31 for horizontal beam, and the bottom plate member for horizontal beam. Since the corners where the front and rear edges 31a and 32a of the 32 intersect with each other are moved away from the weld bead, and the fatigue limit stress at the corners approaches the nominal stress, the safety factor of the seat support parts 34 and 35 is increased. Can be improved.
  • the distance L should be as long as possible as long as it can be tolerated by the positional relationship with the various parts constituting the carriage. The corners are rounded.
  • FIG. 6 is a cross-sectional view showing an enlarged portion of the seat support portion as another example of the device for improving the safety factor by the seat support portion in the side of the bogie frame of the present invention.
  • the contour shape extending from the left and right edges 34a, 35a of the seat support portions 34, 35 to the front and rear edges 31a, 32a of the horizontal beam top plate member 31 and the horizontal beam bottom plate member 32 is It is preferable that the bottom plate member 31 and the bottom plate member 32 for horizontal beams have a skirt shape that is bent at three points of points P1, P2, and P3 in this order from the edges 31a and 32a. Each of the three bent portions is rounded.
  • the bogie frame of the present invention can reduce the welded portion having a short weld line and secure the quality of the welded portion when each seat is welded to the side.
  • the stress safety factor was investigated at the seat support portion that extended from the horizontal beam of the four-sided plate structure and corresponded to the upper surface portion of the seat for the main motor.
  • the stress safety factor at the upper surface portion of the main motor seat that was welded to the horizontal beam of the steel pipe was investigated for the conventional bogie frame shown in FIG.
  • a static load test is performed in which the vertical load of the main motor is applied to the seat, and at that time, the carriage frame of the present invention acts on the seat support portion, and the conventional carriage frame acts on the upper surface portion of the seat.
  • the stress to be measured was measured, and the safety factor was calculated from this stress.
  • the fatigue limit of the welded portion was arranged by a method based on JIS-E-4207.
  • the safety factor was as high as 1.9 with the bogie frame of the present invention, compared with only 1.5 with the bogie frame of the prior art. From this, it became clear that the bogie frame of the present invention can improve the stress safety factor related to the seat.
  • the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
  • the edge of the top beam member for the horizontal beam and the bottom plate member for the horizontal beam are connected to the edge of the connecting portion of the side beam.
  • Fig. 5 shows a mode of butt welding on the same surface, but the edge part of the top plate member for the horizontal beam and the bottom plate member for the horizontal beam are directly or under the edge of the connecting part of the side beam. They may be overlapped and the fillet welded.
  • a reinforcing plate may be welded and joined to the inside of the side beam and the side beam.
  • the bogie frame of the railway vehicle of the present invention is useful for all railway vehicles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Body Structure For Vehicles (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
PCT/JP2013/002880 2012-05-21 2013-04-30 鉄道車両の台車枠 WO2013175716A1 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA2873600A CA2873600C (en) 2012-05-21 2013-04-30 Bogie frame for railway vehicles
ES13794469.0T ES2659224T3 (es) 2012-05-21 2013-04-30 Chasis de bogie para vehículo de ferrocarril
IN10294DEN2014 IN2014DN10294A (zh) 2012-05-21 2013-04-30
US14/400,845 US9469313B2 (en) 2012-05-21 2013-04-30 Bogie frame for railway vehicles
AU2013264379A AU2013264379B2 (en) 2012-05-21 2013-04-30 Bogie frame for railway vehicles
KR1020147035753A KR20150013864A (ko) 2012-05-21 2013-04-30 철도 차량의 대차 프레임
CN201380026817.XA CN104334435B (zh) 2012-05-21 2013-04-30 铁道车辆的转向架构架
EP13794469.0A EP2853464B1 (en) 2012-05-21 2013-04-30 Bogie frame for railway vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012115194A JP5765292B2 (ja) 2012-05-21 2012-05-21 鉄道車両の台車枠
JP2012-115194 2012-05-21

Publications (1)

Publication Number Publication Date
WO2013175716A1 true WO2013175716A1 (ja) 2013-11-28

Family

ID=49623431

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/002880 WO2013175716A1 (ja) 2012-05-21 2013-04-30 鉄道車両の台車枠

Country Status (11)

Country Link
US (1) US9469313B2 (zh)
EP (1) EP2853464B1 (zh)
JP (1) JP5765292B2 (zh)
KR (1) KR20150013864A (zh)
CN (1) CN104334435B (zh)
AU (1) AU2013264379B2 (zh)
CA (1) CA2873600C (zh)
ES (1) ES2659224T3 (zh)
IN (1) IN2014DN10294A (zh)
TW (1) TWI529084B (zh)
WO (1) WO2013175716A1 (zh)

Cited By (2)

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CN107107924A (zh) * 2014-09-22 2017-08-29 奥地利西门子公司 具有弹簧罩的底盘框架
AT517180A3 (de) * 2015-05-13 2018-03-15 Siemens Ag Oesterreich Fahrwerksrahmen für ein Schienenfahrzeug

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JP5765292B2 (ja) * 2012-05-21 2015-08-19 新日鐵住金株式会社 鉄道車両の台車枠
JP5772761B2 (ja) * 2012-08-13 2015-09-02 新日鐵住金株式会社 鉄道車両の台車枠
JP6190752B2 (ja) * 2014-04-11 2017-08-30 川崎重工業株式会社 鉄道車両用台車枠の製造方法
CN104139786B (zh) * 2014-06-26 2017-01-11 中车长江车辆有限公司 铁路快速货车转向架的构架
JP6564300B2 (ja) * 2015-10-26 2019-08-21 日本車輌製造株式会社 鉄道車両用台車枠
JP6743481B2 (ja) * 2016-05-18 2020-08-19 日本製鉄株式会社 鉄道車両用台車枠およびそれを備える鉄道車両用台車
WO2019056641A1 (zh) * 2017-09-19 2019-03-28 中车长春轨道客车股份有限公司 一种转向架构架及具有该转向架构架的转向架
CN107999938B (zh) * 2017-11-03 2020-08-07 中车青岛四方机车车辆股份有限公司 一种轨道车辆横梁双机协同自动焊接方法及系统
CN110608821A (zh) * 2018-06-15 2019-12-24 北京交通大学 转臂式测力构架的垂向载荷力系测试结构及其制作方法
CN110026721B (zh) * 2019-04-10 2024-05-03 合肥和安机械制造有限公司 一种叉车新型护顶架焊接用工装模具
EP3992053A1 (en) * 2020-10-27 2022-05-04 Stadler Rail AG Bogie for a rail vehicle and rail vehicle with a bogie
TWI761185B (zh) * 2021-04-23 2022-04-11 國立屏東科技大學 無承樑式軌道車輛轉向架框架

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CN104334435B (zh) 2016-10-19
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IN2014DN10294A (zh) 2015-08-07
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AU2013264379B2 (en) 2016-04-28
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